T-13 补修：verify_convert_lots/apply 字面造数日期改真库日历链式回推（用户指出硬编码 · 全仓排查留痕）

scripts/dev/verify_convert_apply.py

@@ -26,7 +26,7 @@ from __future__ import annotations
 
 import sys
 import threading
-from datetime import date, datetime
+from datetime import date, datetime, time as dtime, timedelta
 from decimal import ROUND_HALF_UP, Decimal
 from pathlib import Path
 
@@ -50,7 +50,9 @@ from app.service.convert.calc import (  # noqa: E402
     lot_fee,
     plan_lots,
 )
+from app.repository.core_ro import CoreReadOnlyRepository  # noqa: E402
 from app.service.convert.errors import LotConflict  # noqa: E402
+from app.service.convert.trading_calendar import previous_biz_day  # noqa: E402
 from app.service.convert.fee import pick_fee_rate  # noqa: E402
 from app.service.convert.types import FeeRule, Lot  # noqa: E402
 from app.utils.db import dispose_engines, get_engine  # noqa: E402
@@ -58,8 +60,29 @@ from app.utils.db import dispose_engines, get_engine  # noqa: E402
 CUSTOMER = "CUST-T6M"
 PROD_OUT = "PROD-T6MO"
 PROD_IN = "PROD-T6MI"
-TRADE_AT = datetime(2026, 9, 4, 10, 0, 0)
-TRADE_DATE = date(2026, 9, 4)
+# 造数日期在 main() 里按真库交易日历链式回推动态确定（T-12 模式：不猜自然日）。
+# 相对关系与原固定基准（2026-09-04）一致 —— hold_days 是自然日语义，档位断言不变：
+# TRADE_DATE = 回推 3 个交易日；A1 批次 = −34 自然日（档 [30,180)）；
+# A2 批次 = −3 自然日（档 [0,7)）；转入批次 confirmed_at = +1 自然日。
+TRADE_AT: "datetime | None" = None
+TRADE_DATE: "date | None" = None
+_A1_AT: "datetime | None" = None
+_A2_AT: "datetime | None" = None
+_IN_CONFIRMED_AT: "datetime | None" = None
+
+
+def _init_dates(admin) -> None:
+    """按真库交易日历把造数日期锚定到确定过去的历史开市日（必须在 seed 前调用）。"""
+    global TRADE_AT, TRADE_DATE, _A1_AT, _A2_AT, _IN_CONFIRMED_AT
+    is_open = CoreReadOnlyRepository(engine=admin).is_open
+    d = date.today()
+    for _ in range(3):
+        d = previous_biz_day(d, is_open)
+    TRADE_DATE = d
+    TRADE_AT = datetime.combine(d, dtime(10, 0))
+    _A1_AT = datetime.combine(d - timedelta(days=34), dtime(10, 0))
+    _A2_AT = datetime.combine(d - timedelta(days=3), dtime(10, 0))
+    _IN_CONFIRMED_AT = datetime.combine(d + timedelta(days=1), dtime(10, 0))
 OUT_RATE = Decimal("0.0030")
 IN_RATE = Decimal("0.0080")
 IN_NAV = Decimal("0.9500")
@@ -127,8 +150,8 @@ def seed(engine) -> None:
             {"p": PROD_IN, "nav": str(IN_NAV), "d": TRADE_DATE},
         )
         for lot_id, qty, nav, confirmed in [
-            ("LOT-T6M-A1", "100", "1.0300", datetime(2026, 8, 1, 10, 0, 0)),
-            ("LOT-T6M-A2", "50", "1.0000", datetime(2026, 9, 1, 10, 0, 0)),
+            ("LOT-T6M-A1", "100", "1.0300", _A1_AT),
+            ("LOT-T6M-A2", "50", "1.0000", _A2_AT),
         ]:
             conn.execute(
                 text(
@@ -217,7 +240,7 @@ def build_input(engine, group_id: str, requested: str, in_lot_id: str = "LOT-T6M
         in_nav=IN_NAV,
         in_nav_date=TRADE_DATE,
         in_lot_id=in_lot_id,
-        in_confirmed_at=datetime(2026, 9, 5, 10, 0, 0),
+        in_confirmed_at=_IN_CONFIRMED_AT,
         charges=tuple(charges),
     )
 
@@ -229,6 +252,7 @@ def q1(engine, sql: str, **params):
 
 def main() -> int:
     admin = get_engine(settings.mysql_core_database, "admin")
+    _init_dates(admin)
     repo = ConvertCoreRepository()  # 真实路径：role="rw"（账号未配时回退 mysql_user）
     try:
         cleanup(admin)